It's a Scheduling Affair: GROMACS in the Cloud with the KubeFlux Scheduler

Claudia Misale,Maurizio Drocco,Daniel J. Milroy,Carlos Eduardo Arango Gutierrez,Stephen Herbein,Dong H. Ahn,Yoonho Park

2021 3rd International Workshop on Containers and New Orchestration Paradigms for Isolated Environments in HPC (CANOPIE-HPC)（2021）

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摘要

In this work, we address the problem of running HPC workloads efficiently on Kubernetes clusters. To do so, we compare the Kubernetes' default scheduler with KubeFlux, a Kubernetes plug-in scheduler built on the Flux graph-based scheduler, on a 34- node Red Hat OpenShift cluster on IBM Cloud. We detail how scheduling can affect the performance of GROMACS, a well-known HPC application, and we show ...

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关键词

converged computing,plug-in scheduler,container orchestration,pod placement,availability zones,inter-zone communication,pods per node

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